6
Hull and Deck Hull is ~3x bigger than last year’s, but conceptual design was retained Proven design Simplicity Time and money invested Took approximately 6 weeks to complete construction Next semester: Waterproofing: drain holes and polyurethane

7
Hull and Deck

8
Hull: I-beam Testing Conducted “pullout test” on sections of base to I- beam and deck to I-beam connections Test shows connections can withstand over 15 psi Connections must be able to withstand at least 7.7 psi Factor of safety of at least 1.94 Calculations

18
During the summer, gas engine was tested extensively Decision was made to switch to electric motors due to difficulty with tuning and inconsistency of gas engine Researched electric model airplane motors, went with largest model Thrusters

25
28.9 V produced on unloaded alternator at approximately 3300 rpm Tested electric motor powered by single alternator Motor was run successfully, but only produced maximum of 12.6 lb of thrust Alternator Testing

26
Final engine mount design and construction Working hovercraft Functioning 36 V power system Thruster controls Employment of radar, GPS and other system components Goals for Next Semester